CN216897447U

CN216897447U - Full premix heating stove in area variable bypass ratio and zero cold water function water route

Info

Publication number: CN216897447U
Application number: CN202220310182.2U
Authority: CN
Inventors: 陈光杰
Original assignee: Shanghai Rinnai Co Ltd
Current assignee: Shanghai Rinnai Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-05
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a full-premix heating stove with a variable bypass ratio and a zero cold water functional waterway, which comprises a heating loop and a domestic hot water loop; the heating loop exchanges heat with the domestic hot water loop through the auxiliary heat exchanger; the auxiliary heat exchanger comprises a heating water inlet and a heating water outlet which are connected with the heating loop and used for respectively inputting and outputting heating water, and a domestic water inlet and a domestic water outlet which are connected with the domestic hot water loop and used for respectively inputting and outputting domestic water; the domestic hot water loop comprises a zero cold water circulating pump and a water quantity servo valve which are sequentially connected with a domestic water inlet of the auxiliary heat exchanger; the domestic hot water loop behind the domestic water outlet of the auxiliary heat exchanger is connected with the water inlet end of the zero-cold water circulating pump through a bypass servo valve and a corresponding bypass pipeline. The utility model can improve the use comfort of users, realize the function of instant water outlet of domestic hot water and achieve the function of instant water outlet of hot water when the water tap is opened.

Description

Full premix heating stove in area variable bypass ratio and zero cold water function water route

Technical Field

The utility model relates to the technical field of heating stove manufacturing, in particular to a full-premix heating stove with a variable bypass ratio and a zero cold water functional water channel.

Background

In the existing fully premixed heating furnace, the heating circulation loop has the functions of providing the household central heating requirement for users and randomly setting comfortable temperature according to the requirement of the users; the domestic hot water loop has the function of providing large-flow constant-temperature sanitary hot water for places such as family bathing, kitchens and the like.

However, the existing full-premix heating furnace adopts a bypass pipe structure, and the bypass ratio is fixed and cannot be adjusted.

Therefore, how to improve the heating efficiency of the domestic water of the fully premixed heating stove becomes a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above defects in the prior art, the utility model provides a full premix heating furnace with a variable bypass ratio and a zero cold water function water path, which aims to improve the heating efficiency of domestic water of the full premix heating furnace, realize the instant water outlet function of domestic hot water and achieve the instant water outlet function of opening a faucet.

In order to achieve the purpose, the utility model discloses a full-premix heating furnace with a variable bypass ratio and a zero cold water functional waterway, which comprises a heating loop and a domestic hot water loop; the heating loop exchanges heat with the domestic hot water loop through the auxiliary heat exchanger to heat domestic water in the domestic hot water loop.

The auxiliary heat exchanger comprises a heating water inlet and a heating water outlet which are connected with the heating loop and used for respectively inputting and outputting heating water, and a domestic water inlet and a domestic water outlet which are connected with the domestic hot water loop and used for respectively inputting and outputting domestic water;

the domestic hot water loop comprises a zero cold water circulating pump and a water quantity servo valve which are sequentially connected with the domestic water inlet of the auxiliary heat exchanger;

and the domestic hot water loop behind the domestic water output port of the auxiliary heat exchanger is connected with a water inlet end of the zero cold water circulating pump through a bypass servo valve and a corresponding bypass pipeline.

Preferably, a heating circulating pump (1) is arranged on the heating loop, and a three-way valve is arranged at an inlet position of the heating circulating pump and is connected with the heating water inlet of the auxiliary heat exchanger through the three-way valve.

Preferably, the inlet of the water quantity servo valve is provided with a water quantity sensor.

Preferably, a water inlet temperature sensor is arranged between the water quantity servo valve and the zero-cold-water circulating pump.

Preferably, a heat exchange water temperature sensor is arranged between the domestic water output port and the bypass servo valve.

Preferably, an outlet water temperature sensor is arranged on the domestic hot water loop behind the bypass servo valve.

Preferably, the heating loop comprises a heating circulating pump and a main heat exchanger, and the circulation of the heating loop is formed by a heating pipeline, a corresponding water return joint and a water outlet joint.

The utility model has the beneficial effects that:

the application of the utility model can greatly improve the problem adjustment sensitivity of domestic water, improve the use comfort of users, realize the instant water outlet function of domestic hot water and achieve the instant water outlet function of opening the water tap.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 shows a schematic structural diagram of an embodiment of the present invention.

Detailed Description

Examples

As shown in fig. 1, the fully premixed heating stove with variable bypass ratio and zero cold water functional water path comprises a heating loop and a domestic hot water loop; the heating loop exchanges heat with the domestic hot water loop through the auxiliary heat exchanger 2 to heat the domestic water in the domestic hot water loop.

Wherein, the auxiliary heat exchanger 2 comprises a heating water inlet and a heating water outlet which are connected with the heating loop and used for respectively inputting and outputting heating water, and a domestic water inlet and a domestic water outlet which are connected with the domestic hot water loop and used for respectively inputting and outputting domestic water;

the domestic hot water loop comprises a zero cold water circulating pump 3 and a water quantity servo valve 4 which are sequentially connected with a domestic water inlet of the auxiliary heat exchanger 2;

the domestic hot water loop behind the domestic water outlet of the auxiliary heat exchanger 2 is connected with the water inlet end of the zero cold water circulating pump 3 through a bypass servo valve 5 and a corresponding bypass pipeline.

In practical application, the bypass servo valve 5 can be set to freely adjust the bypass ratio according to different water outlet temperatures, so that the water outlet temperature is changed, the problem adjustment sensitivity of domestic water is greatly improved, and the use comfort of a user can be improved.

In some embodiments, a heating circulation pump (1) is provided on the heating loop, and a three-way valve 6 is connected to a heating water inlet of the auxiliary heat exchanger 2 at an inlet of the heating circulation pump 1 through the three-way valve 6.

In some embodiments the inlet of the water quantity servo valve 4 is provided with a water quantity sensor 7.

In some embodiments, a feed water temperature sensor 8 is provided between the water volume servo valve 4 and the zero cold water circulation pump 3.

In some embodiments, a heat exchange water temperature sensor 9 is provided between the domestic water outlet and the bypass servo valve 5.

In some embodiments, a water outlet temperature sensor 10 is arranged on the domestic hot water loop after the bypass servo valve 5.

In some embodiments, the heating circuit includes a heating circulation pump 1 and a main heat exchanger, and the circulation of the heating circuit is formed by a heating pipeline and corresponding water return joint and water outlet joint.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The full-premix heating stove with variable bypass ratio and zero cold water functional waterway comprises a heating loop and a domestic hot water loop; the heating loop exchanges heat with the domestic hot water loop through an auxiliary heat exchanger (2) to heat domestic water in the domestic hot water loop; the method is characterized in that:

the auxiliary heat exchanger (2) comprises a heating water inlet and a heating water outlet which are connected with the heating loop and used for respectively inputting and outputting heating water, and a domestic water inlet and a domestic water outlet which are connected with the domestic hot water loop and used for respectively inputting and outputting domestic water;

the domestic hot water loop comprises a zero cold water circulating pump (3) and a water quantity servo valve (4) which are sequentially connected with the domestic water inlet of the auxiliary heat exchanger (2);

and the domestic hot water loop behind the domestic water outlet of the auxiliary heat exchanger (2) is connected with the water inlet end of the zero-cold water circulating pump (3) through a bypass servo valve (5) and a corresponding bypass pipeline.

2. The full premix heating stove in area variable bypass ratio and zero cold water function water route of claim 1, characterized in that, be equipped with heating circulating pump (1) on the heating return circuit, and in the import position three-way valve (6) of heating circulating pump (1), through three-way valve (6) with the heating water inlet connection of vice heat exchanger (2).

3. A fully premixed heating stove with variable bypass ratio and zero cold water functional water circuit according to claim 1 characterized by that the inlet of the water quantity servo valve (4) is equipped with a water quantity sensor (7).

4. A fully premixed heating stove with variable bypass ratio and zero cold water functional waterway according to claim 1, characterized in that there is a water inlet temperature sensor (8) between the water quantity servo valve (4) and the zero cold water circulating pump (3).

5. A fully premixed heating stove with variable bypass ratio and zero cold water functional waterway according to claim 1, characterized in that a heat-exchanged water temperature sensor (9) is provided between the live water outlet and the bypass servo valve (5).

6. The full premix heating stove with variable bypass ratio and zero cold water functional waterway according to claim 1, characterized in that an outlet water temperature sensor (10) is provided on the domestic hot water loop after the bypass servo valve (5).

7. The fully premixed heating stove with variable bypass ratio and zero cold water functional waterway according to claim 1, wherein the heating loop includes a heating circulation pump (1) and a main heat exchanger, and the circulation of the heating loop is formed through a heating pipeline and corresponding water return joint and water outlet joint.